Asked by Joe

Josh simplified 4x - 8x ÷ 2 and said the answer was -2x. What was Josh's error? What should his answer should've been?

7 years ago

Answered by bobpursley

His error was not to use grouping symbols.

(4x-8x)/2=-2x

4x -(8x/2)=zero

7 years ago

Answered by Joe

Thanks!

7 years ago

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